Dr. Li specializes in research design, intervention development, data collection and assessment strategies. She conducts research on HIV and drug abuse prevention and treatment, social and cultural aspects of health promotion and services. She has received research grants to conduct randomized controlled trials to reduce HIV stigma among service providers and to enhance methadone maintenance treatment outcomes in China, to improve the quality of life for families and children impacted by HIV in Thailand and China, and to enhance the role of commune health workers in HIV prevention for people who use drugs and their families in Vietnam.